Cycling

[Phiberop]

This may be a dumb Q, but here it goes. How do you know when your tank has fully been cycled. Is it when the levels of NH4, NO2, NO3 and ph Peak then drop?

Thanks

 

[fishfreek]

When ammonia and nitrite drop to zero after rising and then falling again.

 

[Phiberop]

Thanks just wanted to be sure